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VDH doc. 931376
Software: ALFA 30
* Installation.
On the topside of the ALFA 30 you can see how the sensor, power supply and relay has to be
connected.
After connecting the ALFA 30 to the power supply, a self test function is started. As this test is
finished the measured temperature appears in the display.
* Control.
The ALFA 30 thermostat has for normal use no need for controls. Only for adjustment of the
sensor the ALFA 30 has three hidden pushbuttons on the front. These key are:
SET
- view / change the setpoint.
UP
- increase the setpoint.
DOWN
- decrease the setpoint.
These pushbuttons are placed at the following places at the front:
SET
- To the lower right of the display.
UP
- To the upper left of the display.
DOWN
- To the lower left of the display.
User manual ALFA 30
Thermometer.
Version: v1.1
File: DO931376.WP8
1
Date: 18-08-1995
Range: -50/+50°C per 1°C
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Summary of Contents for VDH ALFA 30
- Page 1 Range: -50/+50°C per 1°C * Installation. On the topside of the ALFA 30 you can see how the sensor, power supply and relay has to be connected. After connecting the ALFA 30 to the power supply, a self test function is started. As this test is finished the measured temperature appears in the display.
- Page 2 UP and DOWN keys together with the SET key allows you to change the value of this parameter. If after 20 seconds no key is pushed, the ALFA 30 changes to its normal operation mode. * Adjustment sensor. The sensor can be adjusted by using the Sensor Offset (parameter 04). Indicates the ALFA 30 e.g.
- Page 3 Front : Polycarbonate IP65 Sensor : SM 811/2m (1000Ω at 25°C) Sizes : 35 x 77 x 71,5mm (hwd) Panel hole : 28 x 70mm (hw) * Parameters ALFA 30. PARA- DESCRIPTION PARAMETER RANGE STANDARD METER VALUE Offset temperature sensor -15..+15°C...
- Page 4 * Dimensions. * Connection Diagram.
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